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NASA’s Climate Kids website brings the exciting science of climate change and sustainability to life, providing clear explanations for the big questions in climate science. Targeting upper-elementary-aged children, the site includes interactive games, hands-on activities, and engaging articles that make climate science accessible and fun.

Climate change. Climate change is a change in the statistical distribution of weather patterns when that change lasts for an extended period of time (i.e., decades to millions of years). Climate change may refer to a change in average weather conditions, or in the time variation of weather within the context of longer-term average conditions.

Climate change, periodic modification of Earth’s climate brought about as a result of changes in the atmosphere as well as interactions between the atmosphere and various other geologic, chemical, biological, and geographic factors within the Earth system.

Climate change: the debate. While consensus among nearly all scientists, scientific organizations, and governments is that climate change is happening and is caused by human activity, a small minority of voices questions the validity of such assertions and prefers to cast doubt on the preponderance of evidence.

Climate change is a change in the usual weather found in a place. This could be a change in how much rain a place usually gets in a year. Or it could be a change in a place's usual temperature for a month or season. Climate change is also a change in Earth's climate. This could be a change in Earth's usual temperature.

How climate change threatens human health. The Impacts of Climate Change on Human Health in the United States finds that every American is vulnerable to the health impacts associated with climate change. Read the report »

About climate change. Tackling climate change is a priority for us and we're working hard to protect fish, farms, and waters from the damage that rising temperatures and shifting precipitation patterns will cause in Washington. ​Excess carbon dioxide and a changing climate are causing wide-ranging impacts. Climate change changes everything With...